USS Jason Dunham (DDG-109) will be an Arleigh Burke-class guided missile destroyer in the United States Navy. She is named after Corporal Jason L. Dunham USMC, who was posthumously awarded the Medal of Honor for service in Iraq.

Jason Dunham is the 59th destroyer in her class and built by the Bath Iron Works in Bath, Maine.She was christened by Corporal Dunham's mother, Debra Dunham, and launched on August 1, 2009

Name:     USS Jason Dunham
Namesake:     Corporal Jason L. Dunham
Awarded:     13 September 2002
Builder:     Bath Iron Works
Laid down:     11 April 2008
Launched:     1 August 2009
Commissioned:     Scheduled 2010
Motto:     Semper Fidelis, Semper Fortis ("Always faithful, always strong")
Status:     Pre-commissioned Unit

General characteristics
Class and type:     Arleigh Burke-class destroyer
Displacement:     9,200 long tons (9,300 t)
Length:     510 ft (160 m)
Beam:     66 ft (20 m)
Draft:     33 ft (10 m)
Propulsion:     4 × General Electric LM2500-30 gas turbines, 2 shafts, 100,000 shp (75 MW)
Speed:     >30 kn (56 km/h; 35 mph)
Complement:     380 officers and enlisted
Armament: 

• 1 × 32 cell, 1 x 64 cell Mk 41 vertical launch systems, 96 × RIM-66 SM-2, BGM-109 Tomahawk or RUM-139 VL-Asroc, missiles
• 1 × 5/62 in (127/62 mm), 2 × 25 mm, 4 × 12.7 mm guns
• 2 × Mk 46 triple torpedo tubes
• 2 × Mk. 15 Phalanx CIWS or RIM-116 RAM

Aircraft carried:     2 × SH-60 Sea Hawk helicopters